linphone-ios/Classes/Swift/Voip/Models/ConferenceViewModel.swift
2022-02-01 10:10:33 +01:00

298 lines
11 KiB
Swift

/*
* Copyright (c) 2010-2020 Belledonne Communications SARL.
*
* This file is part of linhome
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import Foundation
import linphonesw
import AVFoundation
class ConferenceViewModel {
var core : Core { get { Core.get() } }
static let shared = ConferenceViewModel()
let conferenceExists = MutableLiveData<Bool>()
let subject = MutableLiveData<String>()
let isConferenceLocallyPaused = MutableLiveData<Bool>()
let isVideoConference = MutableLiveData<Bool>()
let isMeAdmin = MutableLiveData<Bool>()
let conference = MutableLiveData<Conference>()
let conferenceParticipants = MutableLiveData<[ConferenceParticipantData]>()
let conferenceParticipantDevices = MutableLiveData<[ConferenceParticipantDeviceData]>()
let conferenceDisplayMode = MutableLiveData<ConferenceLayout>()
let isRecording = MutableLiveData<Bool>()
let isRemotelyRecorded = MutableLiveData<Bool>()
let maxParticipantsForMosaicLayout = ConfigManager.instance().lpConfigIntForKey(key: "max_conf_part_mosaic_layout",defaultValue: 6)
private var conferenceDelegate : ConferenceDelegateStub?
private var coreDelegate : CoreDelegateStub?
init () {
conferenceDelegate = ConferenceDelegateStub(onParticipantAdded: { (conference: Conference, participant: Participant) in
Log.i("[Conference] \(conference) Participant \(participant) added")
self.updateParticipantsList(conference)
let count = self.conferenceParticipantDevices.value!.count
if (count > self.maxParticipantsForMosaicLayout) {
Log.w("[Conference] \(conference) More than \(self.maxParticipantsForMosaicLayout) participants \(count), forcing active speaker layout")
self.conferenceDisplayMode.value = .ActiveSpeaker
}
}, onParticipantRemoved: {(conference: Conference, participant: Participant) in
Log.i("[Conference] \(conference) \(participant) Participant removed")
self.updateParticipantsList(conference)
}, onParticipantDeviceAdded: {(conference: Conference, participantDevice: ParticipantDevice) in
Log.i("[Conference] \(conference) Participant device \(participantDevice) added")
self.updateParticipantsDevicesList(conference)
}, onParticipantDeviceRemoved: { (conference: Conference, participantDevice: ParticipantDevice) in
Log.i("[Conference] \(conference) Participant device \(participantDevice) removed")
self.updateParticipantsDevicesList(conference)
}, onParticipantAdminStatusChanged: { (conference: Conference, participant: Participant) in
Log.i("[Conference] \(conference) Participant admin status changed")
self.isMeAdmin.value = conference.me?.isAdmin
self.updateParticipantsList(conference)
}, onParticipantDeviceLeft: { (conference: Conference, device: ParticipantDevice) in
Log.i("[Conference] onParticipantDeviceJoined Entered conference")
self.isConferenceLocallyPaused.value = true
}, onParticipantDeviceJoined: { (conference: Conference, device: ParticipantDevice) in
Log.i("[Conference] onParticipantDeviceJoined Entered conference")
self.isConferenceLocallyPaused.value = false
}, onSubjectChanged: { (conference: Conference, subject: String) in
self.subject.value = subject
}
)
coreDelegate = CoreDelegateStub(
onConferenceStateChanged: { (core, conference, state) in
Log.i("[Conference] \(conference) Conference state changed: \(state)")
self.isVideoConference.value = conference.currentParams?.videoEnabled == true
if (state == Conference.State.Instantiated) {
self.initConference(conference)
} else if (state == Conference.State.Created) {
self.initConference(conference)
self.configureConference(conference)
} else if (state == Conference.State.Terminated || state == Conference.State.TerminationFailed) {
self.terminateConference(conference)
}
let layout = conference.layout == .None ? .Grid : conference.layout
self.conferenceDisplayMode.value = layout
Log.i("[Conference] \(conference) Conference current layout is: \(layout)")
}
)
Core.get().addDelegate(delegate: coreDelegate!)
conferenceParticipants.value = []
conferenceParticipantDevices.value = []
conferenceDisplayMode.value = .Grid
subject.value = VoipTexts.conference_default_title
if let conference = core.conference != nil ? core.conference : core.currentCall?.conference {
Log.i("[Conference] Found an existing conference: \(conference)")
initConference(conference)
configureConference(conference)
}
}
func initConference(_ conference: Conference) {
conferenceExists.value = true
self.conference.value = conference
conference.addDelegate(delegate: self.conferenceDelegate!)
isRecording.value = conference.isRecording
}
func terminateConference(_ conference: Conference) {
conferenceExists.value = false
isVideoConference.value = false
self.conferenceParticipants.value?.forEach{ $0.destroy()}
self.conferenceParticipantDevices.value?.forEach{ $0.destroy()}
conferenceParticipants.value = []
conferenceParticipantDevices.value = []
}
func configureConference(_ conference: Conference) {
self.updateParticipantsList(conference)
self.updateParticipantsDevicesList(conference)
isConferenceLocallyPaused.value = !conference.isIn
self.isMeAdmin.value = conference.me?.isAdmin == true
isVideoConference.value = conference.currentParams?.videoEnabled == true
self.subject.value = conference.subject.isEmpty ? (
conference.me?.isFocus == true ? (
VoipTexts.conference_local_title
) : (
VoipTexts.conference_default_title
)
) : (
conference.subject
)
}
func pauseConference() {
Log.i("[Conference] Leaving conference with address \(conference) temporarily")
conference.value?.leave()
}
func resumeConference() {
Log.i("[Conference] entering conference with address \(conference)")
conference.value?.enter()
}
func togglePlayPause () {
if (isConferenceLocallyPaused.value == true) {
resumeConference()
isConferenceLocallyPaused.value = false
} else {
pauseConference()
isConferenceLocallyPaused.value = true
}
}
func toggleRecording() {
guard let conference = conference.value else {
Log.e("[Conference] Failed to find conference!")
return
}
/* frogtrust has is own recording method
if (conference.isRecording == true) {
conference.stopRecording()
} else {
let path = AppManager.recordingFilePathFromCall(address: conference.conferenceAddress?.asStringUriOnly() ?? "")
Log.i("[Conference] Starting recording \(conference) in file \(path)")
conference.startRecording(path: path)
}*/
isRecording.value = conference.isRecording
}
private func updateParticipantsList(_ conference: Conference) {
self.conferenceParticipants.value?.forEach{ $0.destroy()}
var participants :[ConferenceParticipantData] = []
let participantsList = conference.participantList
Log.i("[Conference] \(conference) Conference has \(participantsList.count) participants")
participantsList.forEach { (participant) in
let participantDevices = participant.devices
Log.i("[Conference] \(conference) Participant found: \(participant) with \(participantDevices.count) device(s)")
let participantData = ConferenceParticipantData(conference: conference, participant: participant)
participants.append(participantData)
}
conferenceParticipants.value = participants
}
private func updateParticipantsDevicesList(_ conference: Conference) {
self.conferenceParticipantDevices.value?.forEach{ $0.destroy()}
var devices :[ConferenceParticipantDeviceData] = []
let participantsList = conference.participantList
Log.i("[Conference] \(conference) Conference has \(participantsList.count) participants")
participantsList.forEach { (participant) in
let participantDevices = participant.devices
Log.i("[Conference] \(conference) Participant found: \(participant) with \(participantDevices.count) device(s)")
participantDevices.forEach { (device) in
Log.i("[Conference] \(conference) Participant device found: \(device.name) (\(device.address!.asStringUriOnly()))")
let deviceData = ConferenceParticipantDeviceData(participantDevice: device, isMe: false)
devices.append(deviceData)
}
}
conference.me?.devices.forEach { (device) in
Log.i("[Conference] \(conference) Participant device for myself found: \(device.name) (\(device.address!.asStringUriOnly()))")
let deviceData = ConferenceParticipantDeviceData(participantDevice: device, isMe: true)
devices.append(deviceData)
}
conferenceParticipantDevices.value = devices
}
func updateParticipants(addresses:[Address]) {
guard let conference = conference.value else {
Log.w("[Conference Participants] conference not set, can't update participants")
return
}
do {
// Adding new participants first, because if we remove all of them (or all of them except one)
// It will terminate the conference first and we won't be able to add new participants after
try addresses.forEach { address in
let participant = conference.participantList.filter { $0.address?.asStringUriOnly() == address.asStringUriOnly() }.first
if (participant == nil) {
Log.i("[Conference Participants] Participant \(address.asStringUriOnly()) will be added to group")
try conference.addParticipant(uri: address)
}
}
// Removing participants
try conference.participantList.forEach { participant in
let member = addresses.filter { $0.asStringUriOnly() == participant.address?.asStringUriOnly() }.first
if (member == nil) {
Log.w("[Conference Participants] Participant \(participant.address?.asStringUriOnly()) will be removed from conference")
try conference.removeParticipant(participant: participant)
}
}
} catch {
Log.e("[Conference Participants] Error updating participant lists \(error)")
}
}
func addCallsToConference() {
Log.i("[Conference] Trying to merge all calls into existing conference")
guard let conf = conference.value else {
return
}
core.calls.forEach { call in
if (call.conference == nil) {
try? conf.addParticipant(call: call)
}
}
}
}
@objc class ConferenceViewModelBridge : NSObject {
@objc static func updateParticipantsList(addresses:[String]) {
do {
try ConferenceViewModel.shared.updateParticipants(addresses: addresses.map { try Factory.Instance.createAddress(addr: $0)} )
} catch {
Log.e("[ParticipantsListView] unable to update participants list \(error)")
}
}
}
enum FlexDirection {
case ROW
case ROW_REVERSE
case COLUMN
case COLUMN_REVERSE
}